Sildenafil, a generic version of Viagra, is one of the most popular drugs prescribed for treatment of erectile dysfunction. In the majority of countries it is provided by prescription.
This drug is also available on the Internet, but a special prescription is needed in this case too. However, in this case, a different doctor than your general practitioner provides you the prescription. This is called an online prescription.
Sildenafil is a medication with very strong effect so it must be used carefully. Only a doctor can determine whether you can take Sildenafil and what dosage is safe in your particular situation. Prescription cannot be issued without consultation.
A doctor makes decision depending on your medical history, medications you are currently taking and the general state of your health. If the doctor considers the use of Sildenafil safe and appropriate, you will receive a prescription which provides you an opportunity to buy Sildenafil.
Sildenafil is almost the best-known drug for treating erectile dysfunction. It provides a temporary relief to erection problems and improves blood circulation, assuring proper erection. Sildenafil can provoke a range of side effects such as dizziness and effects on vision. Furthermore, Sildenafil may interact with some medicines and is prohibited to be used by patients suffering from certain health problems.
Never take Sildenafil without consulting your doctor, as it could harm your health. It is the main reason this drug is only available on prescription.
To get a prescription for Sildenafil the first step you take is consulting your doctor about your symptoms. If it the first time you experience problems concerning erectile dysfunction and have never used any ED medications before, you should consult your doctor and precise all the points concerning taking of Sildenafil.
Sildenafil can also interact with certain medications. Taking sildenafil with a nitrate medicine can provoke a sudden decrease in blood pressure so provide your doctor with the list of all the drugs you are currently taking.
Contact your doctor or address for emergency medical help if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) is likely to severely harm the penis.
Stop using Sildenafil and address for emergency medical help if you experience sudden vision loss.
Sildenafil is usually taken only in case of necessity, 30 minutes to 1 hour before sexual activity. You may take it up to 4 hours before sexual activity. You must not exceed the maximum dosage of Sildenafil (100 mg). Never take it more than once a day.